Home / 14,430.15-21,612.42-11,290.59

Finding the Fourth Proportional to 14,430.15, 21,612.42 and 11,290.59

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Solution

The fourth proportional to 14,430.15, 21,612.42 and 11,290.59 is: 16,910.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,430.15 : 21,612.42 = 11,290.59 : x
  2. Step 2: Convert to fraction form
    14,430.15/21,612.42 = 11,290.59/x
  3. Step 3: Cross multiply
    14,430.15x = 21,612.42 × 11,290.59
  4. Step 4: Simplify right side
    14,430.15x = 244,016,973.13
  5. Step 5: Solve for x
    x = 244,016,973.13/14,430.15
  6. Step 6: Final answer
    x = 16,910.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.